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| Criterion |  Operations Root Cause Analysis |  Operations Barrier Analysis |  Innovation Design Charrette |
|---|---|---|---|
Purposedifferent | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-4 h | 2-4 h | Halber Tag bis mehrere Tage |
Participantsdifferent | 3-8 | 2-6 | 10-50 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | Root causeProblem solvingQualityIncident | Root causeSafetyIncident | BrainstormingWorkshopCollaborationIdeation |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
